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# InputDevice

`public final class InputDevice`
`extends Object` `implements Parcelable`

java.lang.Object
↳ | android.view.InputDevice

Describes the capabilities of a particular input device.

Each input device may support multiple classes of input. For example, a multi-function keyboard may compose the capabilities of a standard keyboard together with a track pad mouse or other pointing device.

Some input devices present multiple distinguishable sources of input. Applications can query the framework about the characteristics of each distinct source.

As a further wrinkle, different kinds of input sources uses different coordinate systems to describe motion events. Refer to the comments on the input source constants for the appropriate interpretation.

## Summary

### Nested classes
`class` | `InputDevice.MotionRange` Provides information about the range of values for a particular `MotionEvent` axis.

### Constants
`int` | `KEYBOARD_TYPE_ALPHABETIC` The keyboard supports a complement of alphabetic keys.
`int` | `KEYBOARD_TYPE_NONE` There is no keyboard.
`int` | `KEYBOARD_TYPE_NON_ALPHABETIC` The keyboard is not fully alphabetic.
`int` | `MOTION_RANGE_ORIENTATION` This constant is deprecated. Use `MotionEvent#AXIS_ORIENTATION` instead.
`int` | `MOTION_RANGE_PRESSURE` This constant is deprecated. Use `MotionEvent#AXIS_PRESSURE` instead.
`int` | `MOTION_RANGE_SIZE` This constant is deprecated. Use `MotionEvent#AXIS_SIZE` instead.
`int` | `MOTION_RANGE_TOOL_MAJOR` This constant is deprecated. Use `MotionEvent#AXIS_TOOL_MAJOR` instead.
`int` | `MOTION_RANGE_TOOL_MINOR` This constant is deprecated. Use `MotionEvent#AXIS_TOOL_MINOR` instead.
`int` | `MOTION_RANGE_TOUCH_MAJOR` This constant is deprecated. Use `MotionEvent#AXIS_TOUCH_MAJOR` instead.
`int` | `MOTION_RANGE_TOUCH_MINOR` This constant is deprecated. Use `MotionEvent#AXIS_TOUCH_MINOR` instead.
`int` | `MOTION_RANGE_X` This constant is deprecated. Use `MotionEvent#AXIS_X` instead.
`int` | `MOTION_RANGE_Y` This constant is deprecated. Use `MotionEvent#AXIS_Y` instead.
`int` | `SOURCE_ANY` A special input source constant that is used when filtering input devices to match devices that provide any type of input source.
`int` | `SOURCE_BLUETOOTH_STYLUS` The input device is a Bluetooth stylus.
`int` | `SOURCE_CLASS_BUTTON` The input source has buttons or keys.
`int` | `SOURCE_CLASS_JOYSTICK` The input source is a joystick.
`int` | `SOURCE_CLASS_MASK` A mask for input source classes.
`int` | `SOURCE_CLASS_NONE` The input source has no class.
`int` | `SOURCE_CLASS_POINTER` The input source is a pointing device associated with a display.
`int` | `SOURCE_CLASS_POSITION` The input source is an absolute positioning device not associated with a display (unlike `SOURCE_CLASS_POINTER`).
`int` | `SOURCE_CLASS_TRACKBALL` The input source is a trackball navigation device.
`int` | `SOURCE_DPAD` The input source is a DPad.
`int` | `SOURCE_GAMEPAD` The input source is a game pad.
`int` | `SOURCE_HDMI` The input source is a device connected through HDMI-based bus.
`int` | `SOURCE_JOYSTICK` The input source is a joystick.
`int` | `SOURCE_KEYBOARD` The input source is a keyboard.
`int` | `SOURCE_MOUSE` The input source is a mouse pointing device.
`int` | `SOURCE_MOUSE_RELATIVE` The input source is a mouse device whose relative motions should be interpreted as navigation events.
`int` | `SOURCE_ROTARY_ENCODER` The input source is a rotating encoder device whose motions should be interpreted as akin to those of a scroll wheel.
`int` | `SOURCE_STYLUS` The input source is a stylus pointing device.
`int` | `SOURCE_TOUCHPAD` The input source is a touch pad or digitizer tablet that is not associated with a display (unlike `SOURCE_TOUCHSCREEN`).
`int` | `SOURCE_TOUCHSCREEN` The input source is a touch screen pointing device.
`int` | `SOURCE_TOUCH_NAVIGATION` The input source is a touch device whose motions should be interpreted as navigation events.
`int` | `SOURCE_TRACKBALL` The input source is a trackball.
`int` | `SOURCE_UNKNOWN` The input source is unknown.

### Inherited constants
From interface `android.os.Parcelable`
`int` | `CONTENTS_FILE_DESCRIPTOR` Descriptor bit used with `describeContents()`: indicates that the Parcelable object's flattened representation includes a file descriptor.
`int` | `PARCELABLE_WRITE_RETURN_VALUE` Flag for use with `writeToParcel(Parcel, int)`: the object being written is a return value, that is the result of a function such as "`Parcelable someFunction()`", "`void someFunction(out Parcelable)`", or "`void someFunction(inout Parcelable)`".

### Fields
`public static final Creator<InputDevice>` | `CREATOR`

### Public methods
`int` | `describeContents()` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation.
`int` | `getControllerNumber()` The controller number for a given input device.
`String` | `getDescriptor()` Gets the input device descriptor, which is a stable identifier for an input device.
`static InputDevice` | `getDevice(int id)` Gets information about the input device with the specified id.
`static int[]` | `getDeviceIds()` Gets the ids of all input devices in the system.
`int` | `getId()` Gets the input device id.
`KeyCharacterMap` | `getKeyCharacterMap()` Gets the key character map associated with this input device.
`int` | `getKeyboardType()` Gets the keyboard type.
`InputDevice.MotionRange` | `getMotionRange(int axis)` Gets information about the range of values for a particular `MotionEvent` axis.
`InputDevice.MotionRange` | `getMotionRange(int axis, int source)` Gets information about the range of values for a particular `MotionEvent` axis used by a particular source on the device.
`List<InputDevice.MotionRange>` | `getMotionRanges()` Gets the ranges for all axes supported by the device.
`String` | `getName()` Gets the name of this input device.
`int` | `getProductId()` Gets the product id for the given device, if available.
`int` | `getSources()` Gets the input sources supported by this input device as a combined bitfield.
`int` | `getVendorId()` Gets the vendor id for the given device, if available.
`Vibrator` | `getVibrator()` Gets the vibrator service associated with the device, if there is one.
`boolean[]` | `hasKeys(int... keys)` Gets whether the device is capable of producing the list of keycodes.
`boolean` | `hasMicrophone()` Reports whether the device has a built-in microphone.
`boolean` | `isEnabled()` Returns true if input device is enabled.
`boolean` | `isExternal()` Returns true if the device is external (connected to USB or Bluetooth or some other peripheral bus), otherwise it is built-in.
`boolean` | `isVirtual()` Returns true if the device is a virtual input device rather than a real one, such as the virtual keyboard (see `KeyCharacterMap#VIRTUAL_KEYBOARD`).
`boolean` | `supportsSource(int source)` Determines whether the input device supports the given source or sources.
`String` | `toString()` Returns a string representation of the object.
`void` | `writeToParcel(Parcel out, int flags)` Flatten this object in to a Parcel.

### Inherited methods
From class `java.lang.Object`
`Object` | `clone()` Creates and returns a copy of this object.
`boolean` | `equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void` | `finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>` | `getClass()` Returns the runtime class of this `Object`.
`int` | `hashCode()` Returns a hash code value for the object.
`final void` | `notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void` | `notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String` | `toString()` Returns a string representation of the object.
`final void` | `wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void` | `wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void` | `wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.
From interface `android.os.Parcelable`
`abstract int` | `describeContents()` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation.
`abstract void` | `writeToParcel(Parcel dest, int flags)` Flatten this object in to a Parcel.

## Constants

### KEYBOARD_TYPE_ALPHABETIC

    public static final int KEYBOARD_TYPE_ALPHABETIC

The keyboard supports a complement of alphabetic keys.

Constant Value: 2 (0x00000002)

### KEYBOARD_TYPE_NONE

    public static final int KEYBOARD_TYPE_NONE

There is no keyboard.

Constant Value: 0 (0x00000000)

### KEYBOARD_TYPE_NON_ALPHABETIC

    public static final int KEYBOARD_TYPE_NON_ALPHABETIC

The keyboard is not fully alphabetic. It may be a numeric keypad or an assortment of buttons that are not mapped as alphabetic keys suitable for text input.

Constant Value: 1 (0x00000001)

### MOTION_RANGE_ORIENTATION

    public static final int MOTION_RANGE_ORIENTATION

This constant is deprecated.
Use `MotionEvent#AXIS_ORIENTATION` instead.

Constant for retrieving the range of values for `MotionEvent#AXIS_ORIENTATION`.

See also:

- `getMotionRange(int)`

Constant Value: 8 (0x00000008)

### MOTION_RANGE_PRESSURE

    public static final int MOTION_RANGE_PRESSURE

This constant is deprecated.
Use `MotionEvent#AXIS_PRESSURE` instead.

Constant for retrieving the range of values for `MotionEvent#AXIS_PRESSURE`.

See also:

- `getMotionRange(int)`

Constant Value: 2 (0x00000002)

### MOTION_RANGE_SIZE

    public static final int MOTION_RANGE_SIZE

This constant is deprecated.
Use `MotionEvent#AXIS_SIZE` instead.

Constant for retrieving the range of values for `MotionEvent#AXIS_SIZE`.

See also:

- `getMotionRange(int)`

Constant Value: 3 (0x00000003)

### MOTION_RANGE_TOOL_MAJOR

    public static final int MOTION_RANGE_TOOL_MAJOR

This constant is deprecated.
Use `MotionEvent#AXIS_TOOL_MAJOR` instead.

Constant for retrieving the range of values for `MotionEvent#AXIS_TOOL_MAJOR`.

See also:

- `getMotionRange(int)`

Constant Value: 6 (0x00000006)

### MOTION_RANGE_TOOL_MINOR

    public static final int MOTION_RANGE_TOOL_MINOR

This constant is deprecated.
Use `MotionEvent#AXIS_TOOL_MINOR` instead.

Constant for retrieving the range of values for `MotionEvent#AXIS_TOOL_MINOR`.

See also:

- `getMotionRange(int)`

Constant Value: 7 (0x00000007)

### MOTION_RANGE_TOUCH_MAJOR

    public static final int MOTION_RANGE_TOUCH_MAJOR

This constant is deprecated.
Use `MotionEvent#AXIS_TOUCH_MAJOR` instead.

Constant for retrieving the range of values for `MotionEvent#AXIS_TOUCH_MAJOR`.

See also:

- `getMotionRange(int)`

Constant Value: 4 (0x00000004)

### MOTION_RANGE_TOUCH_MINOR

    public static final int MOTION_RANGE_TOUCH_MINOR

This constant is deprecated.
Use `MotionEvent#AXIS_TOUCH_MINOR` instead.

Constant for retrieving the range of values for `MotionEvent#AXIS_TOUCH_MINOR`.

See also:

- `getMotionRange(int)`

Constant Value: 5 (0x00000005)

### MOTION_RANGE_X

    public static final int MOTION_RANGE_X

This constant is deprecated.
Use `MotionEvent#AXIS_X` instead.

Constant for retrieving the range of values for `MotionEvent#AXIS_X`.

See also:

- `getMotionRange(int)`

Constant Value: 0 (0x00000000)

### MOTION_RANGE_Y

    public static final int MOTION_RANGE_Y

This constant is deprecated.
Use `MotionEvent#AXIS_Y` instead.

Constant for retrieving the range of values for `MotionEvent#AXIS_Y`.

See also:

- `getMotionRange(int)`

Constant Value: 1 (0x00000001)

### SOURCE_ANY

    public static final int SOURCE_ANY

A special input source constant that is used when filtering input devices to match devices that provide any type of input source.

Constant Value: -256 (0xffffff00)

### SOURCE_BLUETOOTH_STYLUS

    public static final int SOURCE_BLUETOOTH_STYLUS

The input device is a Bluetooth stylus.

Note that this bit merely indicates that an input device is capable of obtaining input from a Bluetooth stylus. To determine whether a given touch event was produced by a stylus, examine the tool type returned by `MotionEvent#getToolType(int)` for each individual pointer.

A single touch event may multiple pointers with different tool types, such as an event that has one pointer with tool type `MotionEvent#TOOL_TYPE_FINGER` and another pointer with tool type `MotionEvent#TOOL_TYPE_STYLUS`. So it is important to examine the tool type of each pointer, regardless of the source reported by `MotionEvent#getSource()`.

A bluetooth stylus generally receives its pressure and button state information from the stylus itself, and derives the rest from another source. For example, a Bluetooth stylus used in conjunction with a touchscreen would derive its contact position and pointer size from the touchscreen and may not be any more accurate than other tools such as fingers.

See also:

- `SOURCE_STYLUS`
- `SOURCE_CLASS_POINTER`

Constant Value: 49154 (0x0000c002)

### SOURCE_CLASS_BUTTON

    public static final int SOURCE_CLASS_BUTTON

The input source has buttons or keys. Examples: `SOURCE_KEYBOARD`, `SOURCE_DPAD`. A `KeyEvent` should be interpreted as a button or key press. Use `getKeyCharacterMap()` to query the device's button and key mappings.

Constant Value: 1 (0x00000001)

### SOURCE_CLASS_JOYSTICK

    public static final int SOURCE_CLASS_JOYSTICK

The input source is a joystick. A `MotionEvent` should be interpreted as absolute joystick movements. Use `getMotionRange(int)` to query the range of positions.

Constant Value: 16 (0x00000010)

### SOURCE_CLASS_MASK

    public static final int SOURCE_CLASS_MASK

A mask for input source classes. Each distinct input source constant has one or more input source class bits set to specify the desired interpretation for its input events.

Constant Value: 255 (0x000000ff)

### SOURCE_CLASS_NONE

    public static final int SOURCE_CLASS_NONE

The input source has no class. It is up to the application to determine how to handle the device based on the device type.

Constant Value: 0 (0x00000000)

### SOURCE_CLASS_POINTER

    public static final int SOURCE_CLASS_POINTER

The input source is a pointing device associated with a display. Examples: `SOURCE_TOUCHSCREEN`, `SOURCE_MOUSE`. A `MotionEvent` should be interpreted as absolute coordinates in display units according to the `View` hierarchy. Pointer down/up indicated when the finger touches the display or when the selection button is pressed/released. Use `getMotionRange(int)` to query the range of the pointing device. Some devices permit touches outside the display area so the effective range may be somewhat smaller or larger than the actual display size.

Constant Value: 2 (0x00000002)

### SOURCE_CLASS_POSITION

    public static final int SOURCE_CLASS_POSITION

The input source is an absolute positioning device not associated with a display (unlike `SOURCE_CLASS_POINTER`). A `MotionEvent` should be interpreted as absolute coordinates in device-specific surface units. Use `getMotionRange(int)` to query the range of positions.

Constant Value: 8 (0x00000008)

### SOURCE_CLASS_TRACKBALL

    public static final int SOURCE_CLASS_TRACKBALL

The input source is a trackball navigation device. Examples: `SOURCE_TRACKBALL`. A `MotionEvent` should be interpreted as relative movements in device-specific units used for navigation purposes. Pointer down/up indicates when the selection button is pressed/released. Use `getMotionRange(int)` to query the range of motion.

Constant Value: 4 (0x00000004)

### SOURCE_DPAD

    public static final int SOURCE_DPAD

The input source is a DPad.

See also:

- `SOURCE_CLASS_BUTTON`

Constant Value: 513 (0x00000201)

### SOURCE_GAMEPAD

    public static final int SOURCE_GAMEPAD

The input source is a game pad. (It may also be a `SOURCE_JOYSTICK`).

See also:

- `SOURCE_CLASS_BUTTON`

Constant Value: 1025 (0x00000401)

### SOURCE_HDMI

    public static final int SOURCE_HDMI

The input source is a device connected through HDMI-based bus. The key comes in through HDMI-CEC or MHL signal line, and is treated as if it were generated by a locally connected DPAD or keyboard.

Constant Value: 33554433 (0x02000001)

### SOURCE_JOYSTICK

    public static final int SOURCE_JOYSTICK

The input source is a joystick. (It may also be a `SOURCE_GAMEPAD`).

See also:

- `SOURCE_CLASS_JOYSTICK`

Constant Value: 16777232 (0x01000010)

### SOURCE_KEYBOARD

    public static final int SOURCE_KEYBOARD

The input source is a keyboard. This source indicates pretty much anything that has buttons. Use `getKeyboardType()` to determine whether the keyboard has alphabetic keys and can be used to enter text.

See also:

- `SOURCE_CLASS_BUTTON`

Constant Value: 257 (0x00000101)

### SOURCE_MOUSE

    public static final int SOURCE_MOUSE

The input source is a mouse pointing device. This code is also used for other mouse-like pointing devices such as trackpads and trackpoints.

See also:

- `SOURCE_CLASS_POINTER`

Constant Value: 8194 (0x00002002)

### SOURCE_MOUSE_RELATIVE

    public static final int SOURCE_MOUSE_RELATIVE

The input source is a mouse device whose relative motions should be interpreted as navigation events.

See also:

- `SOURCE_CLASS_TRACKBALL`

Constant Value: 131076 (0x00020004)

### SOURCE_ROTARY_ENCODER

    public static final int SOURCE_ROTARY_ENCODER

The input source is a rotating encoder device whose motions should be interpreted as akin to those of a scroll wheel.

See also:

- `SOURCE_CLASS_NONE`

Constant Value: 4194304 (0x00400000)

### SOURCE_STYLUS

    public static final int SOURCE_STYLUS

The input source is a stylus pointing device.

Note that this bit merely indicates that an input device is capable of obtaining input from a stylus. To determine whether a given touch event was produced by a stylus, examine the tool type returned by `MotionEvent#getToolType(int)` for each individual pointer.

A single touch event may multiple pointers with different tool types, such as an event that has one pointer with tool type `MotionEvent#TOOL_TYPE_FINGER` and another pointer with tool type `MotionEvent#TOOL_TYPE_STYLUS`. So it is important to examine the tool type of each pointer, regardless of the source reported by `MotionEvent#getSource()`.

See also:

- `SOURCE_CLASS_POINTER`

Constant Value: 16386 (0x00004002)

### SOURCE_TOUCHPAD

    public static final int SOURCE_TOUCHPAD

The input source is a touch pad or digitizer tablet that is not associated with a display (unlike `SOURCE_TOUCHSCREEN`).

See also:

- `SOURCE_CLASS_POSITION`

Constant Value: 1048584 (0x00100008)

### SOURCE_TOUCHSCREEN

    public static final int SOURCE_TOUCHSCREEN

The input source is a touch screen pointing device.

See also:

- `SOURCE_CLASS_POINTER`

Constant Value: 4098 (0x00001002)

### SOURCE_TOUCH_NAVIGATION

    public static final int SOURCE_TOUCH_NAVIGATION

The input source is a touch device whose motions should be interpreted as navigation events. For example, an upward swipe should be as an upward focus traversal in the same manner as pressing up on a D-Pad would be. Swipes to the left, right and down should be treated in a similar manner.

See also:

- `SOURCE_CLASS_NONE`

Constant Value: 2097152 (0x00200000)

### SOURCE_TRACKBALL

    public static final int SOURCE_TRACKBALL

The input source is a trackball.

See also:

- `SOURCE_CLASS_TRACKBALL`

Constant Value: 65540 (0x00010004)

### SOURCE_UNKNOWN

    public static final int SOURCE_UNKNOWN

The input source is unknown.

Constant Value: 0 (0x00000000)

## Fields

### CREATOR

    public static final Creator<InputDevice> CREATOR

## Public methods

### describeContents

    public int describeContents ()

Describe the kinds of special objects contained in this Parcelable instance's marshaled representation. For example, if the object will include a file descriptor in the output of `writeToParcel(android.os.Parcel, int)`, the return value of this method must include the `CONTENTS_FILE_DESCRIPTOR` bit.

Returns
`int` | a bitmask indicating the set of special object types marshaled by this Parcelable object instance. Value is either `0` or `CONTENTS_FILE_DESCRIPTOR`

### getControllerNumber

    public int getControllerNumber ()

The controller number for a given input device.

Each gamepad or joystick is given a unique, positive controller number when initially configured by the system. This number may change due to events such as device disconnects / reconnects or user initiated reassignment. Any change in number will trigger an event that can be observed by registering an `InputManager.InputDeviceListener`.

All input devices which are not gamepads or joysticks will be assigned a controller number of 0.

Returns
`int` | The controller number of the device.

### getDescriptor

    public String getDescriptor ()

Gets the input device descriptor, which is a stable identifier for an input device.

An input device descriptor uniquely identifies an input device. Its value is intended to be persistent across system restarts, and should not change even if the input device is disconnected, reconnected or reconfigured at any time.

It is possible for there to be multiple `InputDevice` instances that have the same input device descriptor. This might happen in situations where a single human input device registers multiple `InputDevice` instances (HID collections) that describe separate features of the device, such as a keyboard that also has a trackpad. Alternately, it may be that the input devices are simply indistinguishable, such as two keyboards made by the same manufacturer.

The input device descriptor returned by `getDescriptor()` should only be used when an application needs to remember settings associated with a particular input device. For all other purposes when referring to a logical `InputDevice` instance at runtime use the id returned by `getId()`.

Returns
`String` | The input device descriptor.

### getDevice

    public static InputDevice getDevice (int id)

Gets information about the input device with the specified id.

Parameters
`id` | `int`: The device id.

Returns
`InputDevice` | The input device or null if not found.

### getDeviceIds

    public static int[] getDeviceIds ()

Gets the ids of all input devices in the system.

Returns
`int[]` | The input device ids.

### getId

    public int getId ()

Gets the input device id.

Each input device receives a unique id when it is first configured by the system. The input device id may change when the system is restarted or if the input device is disconnected, reconnected or reconfigured at any time. If you require a stable identifier for a device that persists across boots and reconfigurations, use `getDescriptor()`.

Returns
`int` | The input device id.

### getKeyCharacterMap

    public KeyCharacterMap getKeyCharacterMap ()

Gets the key character map associated with this input device.

Returns
`KeyCharacterMap` | The key character map.

### getKeyboardType

    public int getKeyboardType ()

Gets the keyboard type.

Returns
`int` | The keyboard type.

### getMotionRange

    public InputDevice.MotionRange getMotionRange (int axis)

Gets information about the range of values for a particular `MotionEvent` axis. If the device supports multiple sources, the same axis may have different meanings for each source. Returns information about the first axis found for any source. To obtain information about the axis for a specific source, use `getMotionRange(int, int)`.

Parameters
`axis` | `int`: The axis constant.

Returns
`InputDevice.MotionRange` | The range of values, or null if the requested axis is not supported by the device.

See also:

- `MotionEvent.AXIS_X`
- `MotionEvent.AXIS_Y`

### getMotionRange

    public InputDevice.MotionRange getMotionRange (int axis,
                    int source)

Gets information about the range of values for a particular `MotionEvent` axis used by a particular source on the device. If the device supports multiple sources, the same axis may have different meanings for each source.

Parameters
`axis` | `int`: The axis constant.
`source` | `int`: The source for which to return information.

Returns
`InputDevice.MotionRange` | The range of values, or null if the requested axis is not supported by the device.

See also:

- `MotionEvent.AXIS_X`
- `MotionEvent.AXIS_Y`

### getMotionRanges

    public List<InputDevice.MotionRange> getMotionRanges ()

Gets the ranges for all axes supported by the device.

Returns
`List<InputDevice.MotionRange>` | The motion ranges for the device.

See also:

- `getMotionRange(int, int)`

### getName

    public String getName ()

Gets the name of this input device.

Returns
`String` | The input device name.

### getProductId

    public int getProductId ()

Gets the product id for the given device, if available.

A product id uniquely identifies which product within the address space of a given vendor, identified by the device's vendor id. A value of 0 will be assigned where a product id is not available.

Returns
`int` | The product id of a given device

### getSources

    public int getSources ()

Gets the input sources supported by this input device as a combined bitfield.

Returns
`int` | The supported input sources.

### getVendorId

    public int getVendorId ()

Gets the vendor id for the given device, if available.

A vendor id uniquely identifies the company who manufactured the device. A value of 0 will be assigned where a vendor id is not available.

Returns
`int` | The vendor id of a given device

### getVibrator

    public Vibrator getVibrator ()

Gets the vibrator service associated with the device, if there is one. Even if the device does not have a vibrator, the result is never null. Use `Vibrator#hasVibrator` to determine whether a vibrator is present. Note that the vibrator associated with the device may be different from the system vibrator. To obtain an instance of the system vibrator instead, call `Context#getSystemService` with `Context#VIBRATOR_SERVICE` as argument.

Returns
`Vibrator` | The vibrator service associated with the device, never null.

### hasKeys

    public boolean[] hasKeys (int... keys)

Gets whether the device is capable of producing the list of keycodes.

Parameters
`keys` | `int`: The list of android keycodes to check for.

Returns
`boolean[]` | An array of booleans where each member specifies whether the device is capable of generating the keycode given by the corresponding value at the same index in the keys array.

### hasMicrophone

    public boolean hasMicrophone ()

Reports whether the device has a built-in microphone.

Returns
`boolean` | Whether the device has a built-in microphone.

### isEnabled

    public boolean isEnabled ()

Returns true if input device is enabled.

Returns
`boolean` | Whether the input device is enabled.

### isExternal

    public boolean isExternal ()

Returns true if the device is external (connected to USB or Bluetooth or some other peripheral bus), otherwise it is built-in.

Returns
`boolean` | True if the device is external.

### isVirtual

    public boolean isVirtual ()

Returns true if the device is a virtual input device rather than a real one, such as the virtual keyboard (see `KeyCharacterMap#VIRTUAL_KEYBOARD`).

Virtual input devices are provided to implement system-level functionality and should not be seen or configured by users.

Returns
`boolean` | True if the device is virtual.

See also:

- `KeyCharacterMap.VIRTUAL_KEYBOARD`

### supportsSource

    public boolean supportsSource (int source)

Determines whether the input device supports the given source or sources.

Parameters
`source` | `int`: The input source or sources to check against. This can be a generic device type such as `InputDevice#SOURCE_MOUSE`, a more generic device class, such as `InputDevice#SOURCE_CLASS_POINTER`, or a combination of sources bitwise ORed together.

Returns
`boolean` | Whether the device can produce all of the given sources.

### toString

    public String toString ()

Returns a string representation of the object. In general, the `toString` method returns a string that "textually represents" this object. The result should be a concise but informative representation that is easy for a person to read. It is recommended that all subclasses override this method.

The `toString` method for class `Object` returns a string consisting of the name of the class of which the object is an instance, the at-sign character ``@`', and the unsigned hexadecimal representation of the hash code of the object. In other words, this method returns a string equal to the value of:

>      getClass().getName() + '@' + Integer.toHexString(hashCode())

Returns
`String` | a string representation of the object.

### writeToParcel

    public void writeToParcel (Parcel out,
                    int flags)

Flatten this object in to a Parcel.

Parameters
`out` | `Parcel`: The Parcel in which the object should be written.
`flags` | `int`: Additional flags about how the object should be written. May be 0 or `Parcelable.PARCELABLE_WRITE_RETURN_VALUE`. Value is either `0` or a combination of `Parcelable.PARCELABLE_WRITE_RETURN_VALUE`, and android.os.Parcelable.PARCELABLE_ELIDE_DUPLICATES

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